Teflon is known for being slippery, has the least friction, and slips at the smallest angle. On the other hand, rubber is often used for its high friction to prevent slipping, and expectedly requires the greatest angle to begin slipping.
The answer is: 1. teflon, 2. styrofoam, and 3. Rubber. This is seen in an mpeg video by clicking your mouse on the photograph below.
Teflon is known for being slippery, has the least friction, and slips at the smallest angle. On the other hand, rubber is often used for its high friction to prevent slipping, and expectedly requires the greatest angle to begin slipping.